Logic Synthesis Using Synopsys® by Pran Kurup

By Pran Kurup

Logic Synthesis utilizing Synopsys®, moment Edition is for somebody who hates analyzing manuals yet may nonetheless wish to examine good judgment synthesis as practised within the genuine international. Synopsys Design Compiler, the top synthesis instrument within the EDA market, is the first concentration of the ebook. The contents of this publication are especially equipped to aid designers familiar with schematic capture-based layout to improve the mandatory services to successfully use the Synopsys Design Compiler. Over a hundred `Classic situations' confronted by means of designers whilst utilizing the Design Compiler were captured, mentioned and recommendations supplied. those eventualities are in response to either own stories and real person queries. A normal realizing of the problem-solving concepts supplied might be useful the reader debug related and extra complex difficulties. furthermore, numerous examples and dc_shell scripts (Design Compiler scripts) have additionally been supplied.
Logic Synthesis utilizing Synopsys®, moment Edition is an up-to-date and revised model of the very profitable first version.
the second one version covers a number of new and rising parts, furthermore to advancements within the presentation and contents in all chapters from the 1st version. With the swift shrinking of approach geometries it is turning into more and more vital that `physical' phenomenon like clusters and twine rather a lot be thought of through the synthesis part. The expanding call for for FPGAs has warranted a better concentrate on FPGA synthesis instruments and technique. ultimately, behavioral synthesis, the flow to designing at the next point of abstraction than RTL, is speedy turning into a fact. those elements have ended in the inclusion of separate chapters within the moment version to hide hyperlinks to format, FPGA Synthesis and Behavioral Synthesis, respectively. Logic Synthesis Using Synopsys®, moment Edition has been written with the CAD engineer in brain. a transparent knowing of the synthesis software ideas, its features and the similar CAD concerns might help the CAD engineer formulate a good synthesis-based ASIC layout method. The purpose can also be to aid layout groups to higher include and successfully combine synthesis with their present in-house layout method and CAD instruments.

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Case 8: On typing SSYNOPSYS/sparc/syn/bin/design_analyzer to invoke the DA, you get the message: Error: DC not enabled. (DCSH-l) Solution: By default, DC expects the key file to be located in SSYNOPSYS/admin/license directory. The SYNOPSYS_KEY_FILE environment variable can be used to specify a different location for the key file. Verify your environment variable SYNOPSYS_KEY_FILE. key or the appropriate key file. If this is indeed the case, then the key file may have a "typo': or else you do not have the appropriate keys.

High-Level Design Methodology Overview 15 Based on the scan style selected the design is required to meet certain design rules. The most commonly used scan style is the multiplexed flip flop. 1------------------------------------, I I Data : A ! B - S I Mode I Qout Q D MUX Scan >CLK - Q ____________________________________ JI Figure 1-7. Muxed Scan Flip Flop A muxed scan flip-flop, as the name indicates, consists of a mux and a flipflop. The output of the mux drives the data input of the flip-flop and the select input is controlled by the test mode pin; the inputs to the mux are the data input and the test input as shown in the Figure 1-7.

DCSH-l) Solution: By default, DC expects the key file to be located in SSYNOPSYS/admin/license directory. The SYNOPSYS_KEY_FILE environment variable can be used to specify a different location for the key file. Verify your environment variable SYNOPSYS_KEY_FILE. key or the appropriate key file. If this is indeed the case, then the key file may have a "typo': or else you do not have the appropriate keys. High-Level Design Methodology Overview Recommended further reading 1. 2a, chapter 1,4 2. 2a, chapter 3, pages 3-13 - 3-24 35 CHAPTER 2 Coding in HDLfor Synthesis This chapter provides several examples ofHDL coding for synthesis.

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